Condensed Consolidated Statements of Convertible Preferred Stock and Stockholders' Equity - USD ($)	Total	Common Stock	Additional Paid-in Capital	Retained Earnings (Deficit)	Treasury Stock
Beginning Balance (in shares) at Jul. 31, 2023	100,000
Beginning Balance at Jul. 31, 2023	$ 112,211,000
Increase (Decrease) in Temporary Equity [Roll Forward]
Extinguishment of convertible preferred stock (in shares)	(100,000)
Extinguishment of convertible preferred stock	$ (115,721,000)
Issuance of convertible preferred stock (in shares)	166,121
Issuance of convertible preferred stock	$ 166,121,000
Convertible preferred stock issuance costs	(4,273,000)
Adjustment to reflect redemption value of convertible preferred stock (including accrued dividends)	$ 8,157,000
Ending Balance (in shares) at Jan. 31, 2024	166,121
Ending Balance at Jan. 31, 2024	$ 166,495,000
Beginning balance (in shares) at Jul. 31, 2023		43,096,271
Beginning balance (in shares) at Jul. 31, 2023					15,033,317
Beginning balance at Jul. 31, 2023	438,299,000	$ 4,310,000	$ 636,925,000	$ 238,913,000	$ (441,849,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity-classified stock award compensation	4,834,000		4,834,000
Issuance of employee stock purchase plan shares (in shares)		24,117
Issuance of employee stock purchase plan shares	176,000	$ 2,000	174,000
Issuance of restricted stock (in shares)		(2,686)
Issuance of restricted stock, net of forfeiture	0	$ 0	0
Net settlement of stock-based awards (in shares)		388,587
Net settlement of stock-based awards	(2,594,000)	$ 39,000	(2,633,000)
Extinguishment of convertible preferred stock	(13,640,000)
Adjustment to reflect redemption value of convertible preferred stock (including accrued dividends)	(8,157,000)			(8,157,000)
Reversal of dividend equivalents	36,000			36,000
Net loss	(11,995,000)			(11,995,000)
Ending balance (in shares) at Jan. 31, 2024		43,506,289
Ending balance (in shares) at Jan. 31, 2024					15,033,317
Ending balance at Jan. 31, 2024	$ 406,959,000	$ 4,351,000	639,300,000	205,157,000	$ (441,849,000)
Beginning Balance (in shares) at Oct. 31, 2023	100,000
Beginning Balance at Oct. 31, 2023	$ 114,034,000
Increase (Decrease) in Temporary Equity [Roll Forward]
Extinguishment of convertible preferred stock (in shares)	(100,000)
Extinguishment of convertible preferred stock	$ (115,721,000)
Issuance of convertible preferred stock (in shares)	166,121
Issuance of convertible preferred stock	$ 166,121,000
Convertible preferred stock issuance costs	(4,273,000)
Adjustment to reflect redemption value of convertible preferred stock (including accrued dividends)	$ 6,334,000
Ending Balance (in shares) at Jan. 31, 2024	166,121
Ending Balance at Jan. 31, 2024	$ 166,495,000
Beginning balance (in shares) at Oct. 31, 2023		43,268,782
Beginning balance (in shares) at Oct. 31, 2023					15,033,317
Beginning balance at Oct. 31, 2023	436,806,000	$ 4,327,000	638,652,000	235,676,000	$ (441,849,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity-classified stock award compensation	2,189,000		2,189,000
Issuance of employee stock purchase plan shares (in shares)		11,318
Issuance of employee stock purchase plan shares	82,000	$ 1,000	81,000
Issuance of restricted stock (in shares)		(16,590)
Issuance of restricted stock, net of forfeiture	0	$ (2,000)	2,000
Net settlement of stock-based awards (in shares)		242,779
Net settlement of stock-based awards	(1,599,000)	$ 25,000	(1,624,000)
Extinguishment of convertible preferred stock	(13,640,000)
Adjustment to reflect redemption value of convertible preferred stock (including accrued dividends)	(6,334,000)			(6,334,000)
Reversal of dividend equivalents	13,000			13,000
Net loss	(10,558,000)			(10,558,000)
Ending balance (in shares) at Jan. 31, 2024		43,506,289
Ending balance (in shares) at Jan. 31, 2024					15,033,317
Ending balance at Jan. 31, 2024	$ 406,959,000	$ 4,351,000	639,300,000	205,157,000	$ (441,849,000)
Beginning Balance (in shares) at Jul. 31, 2024	171,827
Beginning Balance at Jul. 31, 2024	$ 180,076,000
Increase (Decrease) in Temporary Equity [Roll Forward]
Adjustment to reflect redemption value of convertible preferred stock (including accrued dividends)	$ 58,634,000
Ending Balance (in shares) at Oct. 31, 2024	175,264
Ending Balance at Oct. 31, 2024	$ 148,700,000
Beginning balance (in shares) at Jul. 31, 2024	43,766,109	43,766,109
Beginning balance (in shares) at Jul. 31, 2024	15,033,317				15,033,317
Beginning balance at Jul. 31, 2024	$ 306,253,000	$ 4,377,000	640,145,000	103,580,000	$ (441,849,000)
Ending balance (in shares) at Oct. 31, 2024		43,927,127
Ending balance (in shares) at Oct. 31, 2024					15,033,317
Ending balance at Oct. 31, 2024	$ 150,364,000	$ 4,393,000	587,820,000		$ (441,849,000)
Beginning Balance (in shares) at Jul. 31, 2024	171,827
Beginning Balance at Jul. 31, 2024	$ 180,076,000
Increase (Decrease) in Temporary Equity [Roll Forward]
Extinguishment of convertible preferred stock (in shares)	(171,827)
Extinguishment of convertible preferred stock	$ (183,489,000)
Issuance of convertible preferred stock (in shares)	175,264
Issuance of convertible preferred stock	$ 93,479,000
Convertible preferred stock issuance costs	0
Adjustment to reflect redemption value of convertible preferred stock (including accrued dividends)	$ 32,251,000
Ending Balance (in shares) at Jan. 31, 2025	175,264
Ending Balance at Jan. 31, 2025	$ 122,317,000
Beginning balance (in shares) at Jul. 31, 2024	43,766,109	43,766,109
Beginning balance (in shares) at Jul. 31, 2024	15,033,317				15,033,317
Beginning balance at Jul. 31, 2024	$ 306,253,000	$ 4,377,000	640,145,000	103,580,000	$ (441,849,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity-classified stock award compensation	1,325,000		1,325,000
Issuance of employee stock purchase plan shares (in shares)		27,586
Issuance of employee stock purchase plan shares	83,000	$ 3,000	80,000
Issuance of restricted stock (in shares)		63,450
Issuance of restricted stock, net of forfeiture	0	$ 6,000	(6,000)
Net settlement of stock-based awards (in shares)		522,965
Net settlement of stock-based awards	(767,000)	$ 52,000	(819,000)
Extinguishment of convertible preferred stock	51,179,000
Adjustment to reflect redemption value of convertible preferred stock (including accrued dividends)	(32,251,000)		(25,872,000)	(6,379,000)
Reversal of dividend equivalents	32,000		5,000	27,000
Net loss	$ (197,146,000)			(197,146,000)
Ending balance (in shares) at Jan. 31, 2025	44,380,110	44,380,110
Ending balance (in shares) at Jan. 31, 2025	15,033,317				15,033,317
Ending balance at Jan. 31, 2025	$ 128,708,000	$ 4,438,000	614,858,000	(48,739,000)	$ (441,849,000)
Beginning Balance (in shares) at Oct. 31, 2024	175,264
Beginning Balance at Oct. 31, 2024	$ 148,700,000
Increase (Decrease) in Temporary Equity [Roll Forward]
Convertible preferred stock issuance costs	0
Adjustment to reflect redemption value of convertible preferred stock (including accrued dividends)	(26,383,000)		(26,383,000)
Adjustment to reflect redemption value of convertible preferred stock (including accrued dividends)	$ (26,383,000)
Ending Balance (in shares) at Jan. 31, 2025	175,264
Ending Balance at Jan. 31, 2025	$ 122,317,000
Beginning balance (in shares) at Oct. 31, 2024		43,927,127
Beginning balance (in shares) at Oct. 31, 2024					15,033,317
Beginning balance at Oct. 31, 2024	150,364,000	$ 4,393,000	587,820,000		$ (441,849,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity-classified stock award compensation	1,170,000		1,170,000
Issuance of employee stock purchase plan shares (in shares)		13,111
Issuance of employee stock purchase plan shares	45,000	$ 2,000	43,000
Issuance of restricted stock (in shares)		37,216
Issuance of restricted stock, net of forfeiture	0	$ 3,000	(3,000)
Net settlement of stock-based awards (in shares)		402,656
Net settlement of stock-based awards	(520,000)	$ 40,000	(560,000)
Reversal of dividend equivalents	5,000		5,000
Net loss	$ (48,739,000)			(48,739,000)
Ending balance (in shares) at Jan. 31, 2025	44,380,110	44,380,110
Ending balance (in shares) at Jan. 31, 2025	15,033,317				15,033,317
Ending balance at Jan. 31, 2025	$ 128,708,000	$ 4,438,000	$ 614,858,000	$ (48,739,000)	$ (441,849,000)